package leetcode.q83;

import leetcode.ListNode;

/**
 * <a href="https://leetcode.cn/problems/remove-duplicates-from-sorted-list/">...</a>
 * 83. 删除排序链表中的重复元素
 */
public class Solution {
    public ListNode deleteDuplicates(ListNode head) {
        if (head == null) return head;
        ListNode cur = head;
        while (cur != null && cur.next != null) {
            if (cur.val == cur.next.val) cur.next = cur.next.next;
            else cur = cur.next;
        }
        return head;
    }
}